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Adverse Drug Events
• ~770,000 people are injured or die annually
1-3
• Spend 8-12 days longer in hospital
• Costs $16,000-$24,000 +
• 9.7% of ADEs result in permanent disability
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References
1. Classen DC, Pestotnik SL, Evans RS, et al. Adverse drug events in hospitalized patients. JAMA
1997;277(4):301-6.
2. Cullen DJ, Sweitzer BJ, Bates DW, et al. Preventable adverse drug events in hospitalized patients: A
comparative study of intensive care and general care units. Crit Care Med 1997;25(8):1289-97.
3. Cullen DJ, Bates DW, Small SD, et al. The incident reporting system does not detect adverse drug events: A
problem for quality improvement. Journal on Quality Improvement 1995;21(10):541-8.
4. Thomas EJ, Studdert DM, Burstin HR, et al. Incidence and types of adverse events and negligent care in Utah
and Colorado. Med Care 2000;38(3):261-71